Define the double data type of c language, C/C++ Programming

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Define the Double Data Type of c Language?

The double is used to define BIG floating point numbers and it reserves twice the storage for the number. When the accuracy provided by a float number isn't sufficient, the type double can be used to define the number a double data type number. It uses 64 bits giving a exactitude of 14 digits so these are known as double precision numbers.

Eg:
{
double Atoms;
Atoms = 2500000;
}

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